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24 Dec 2009, 09:59

nikhilbajaj wrote:

What is the value of the tenths digit of number x?

(1) The hundredths digit of x is 5 (2) Number x, rounded to the nearest tenth, is 54.5

Obviously (1) alone is not enough, so is BCEWhat is about information (2) rounded to the nearest tenth, is 54,5So the number no rounded is 54,49X where X integer > 4 or 54,50X where X integer <5So the the tenth digit can be 4 or 5, the information (2) alone is not enough to answer to this question.However since in the 1st information the undredths digit of x is 5, so the tenth digit is 4Therefore the correct answer is C

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18 Aug 2015, 23:53

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15 Oct 2015, 18:05

zahraf wrote:

What is the value of the tenths digit of number x?

(1) The hundredths digit of x is 5 (2) Number x, rounded to the nearest tenth, is 54.5

is this question asking about tenth digit or decimal point?i think it should be tenth decimal point,and after rounding off it comes as 54.5 hence tenth decimal 0.5 remained as it is as hundredth digit was less than or equal to 5,e.g number was 54.55, I round it off , it becomes 54.5, if the number was 54.56, i round it off it becomes 54.6

if you dont consider first statement then there are two possibilities 54.47 will also become 54.5 and 54.52 will also become 54.5hence we need both statements

Hope i m making sense
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(2) Number x, rounded to the nearest tenth, is 54.5[/quote]here, we have two cases, if no is 54.50 to 54.54 then tenths digit is 5and if no is 54.45 to 54.49 then tenths digit is 4therefore (2) alone is not sufficient

using (1) and (2) togetherwe clearly have no as 54.45, giving us tenths digit as 4both statements together gives a unique answer

Answer C

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Re: What is the value of the tenths digit of number x?
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15 Oct 2015, 19:15